19660848

素因数分解:

$2^4\times 3^1\times {\mathrm{149}}^1\times {\mathrm{2749}}^1$

素因数の和:2909

約数の個数: 40

約数和(自身を含む): 51150000

約数和(自身を除く): 31489152

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 149, 298, 447, 596, 894, 1192, 1788, 2384, 2749, 3576, 5498, 7152, 8247, 10996, 16494, 21992, 32988, 43984, 65976, 131952, 409601, 819202, 1228803, 1638404, 2457606, 3276808, 4915212, 6553616, 9830424, 19660848]

約数ペア:

[(1, 19660848), (2, 9830424), (3, 6553616), (4, 4915212), (6, 3276808), (8, 2457606), (12, 1638404), (16, 1228803), (24, 819202), (48, 409601), (149, 131952), (298, 65976), (447, 43984), (596, 32988), (894, 21992), (1192, 16494), (1788, 10996), (2384, 8247), (2749, 7152), (3576, 5498)]